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LOOSE FACETED AMETHYST      NATURAL COLOR      Hardness 7  
Online Certificate
RETURN TO AMETHYST
12.49 cts. Cushion Natural Amethyst single
  x Pieces: 1 Amethyst x Type: 100% Natural
 
  Color: Violet    Shape: Cushion faceted
                 
  Weight: 12.49 Carats   Size: 14.5 x 14.7 x 10.4 mm.
 
  Clarity: Eye clean.   Luster: Excellent
 
  Treatment: None (N)   Origin: Madagascar
Image light source: Daylight   Refr. Index: 1.544 - 1.553   Hardness 7
Depth: 10.4 mm. 
Not treated in any way.
This is a virtual certificate compiled from the lab data for the gemstone being examined. Clarity is based on magnification under a 10X corrected loupe. All gemology performed by GGGems. Jean & Alain Darbellay guaranteeing that this stone is 100% natural. Prices and availability are subject to change without notice.
 

Stone Price: USD 519.00 

ref: AMc1249

    

 

 

 

 

 

 

 

 

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Hardness: 7
Specific Gravity: 2.65 - 2.91   Visual Catalog
Refractive Index: 1.544 - 1.553    Cutting Styles
Chemical Composition: SiO2, Silicon Dioxide Amethyst data
Crystal Structure: Trigonal   Ask a question
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- Scale determining the purity of a stone.  -
FL NFL SI1 SI2 MI1
Flaw less Near flaw less Slightly included 1 Slightly included 2 Medium included 1
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MI2 MI3 VI1 VI2 HI
Medium included 2 Medium included 3 Very included 1 Very included 2 Highly included
 
 
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